CVE-2026-57335 is a missing authorization vulnerability (CWE-862) affecting Ads by WPQuads plugin versions <= 3.0.3. The flaw allows users with subscriber-level privileges to perform actions that should be restricted, resulting in a high impact on integrity but no confidentiality or availability impact. The vulnerability is network exploitable with low attack complexity and does not require user interaction. No official fix or patch has been disclosed by the vendor as of the publication date.

The vulnerability enables unauthorized modification or manipulation of the plugin's functionality by subscriber-level users, which compromises the integrity of the affected system. There is no direct impact on confidentiality or availability reported. Exploitation could lead to unauthorized changes within the Ads by WPQuads plugin environment.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict subscriber privileges where possible and monitor for unusual activity related to Ads by WPQuads. Avoid granting unnecessary permissions to subscriber roles to reduce risk.